>>7548159My educated guess is that since they're working on a less-delicate scan than for example what HotToys has for the actors' heads, Bandai are seldom confident enough to open their mouths or give them expression lest them risking uncanny valley while having to work sculpts via hand from photos. The dot print should be a lesser concern. Spending time and hiring sculpters is the cost and not catching the fever train release time is also a cost.